Trecastle on the map

Location in PowysTrecastle sits where the marker shows within the county.

19,408
Population
8,401
Households
1
Schools nearby
£45,210
Avg. household income
1,275
Businesses
22
People per km²
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About Trecastle

Trecastle is a small village located in Powys, Wales, within the LD3 postcode area. It lies near the River Usk and is surrounded by the scenic landscapes of the Brecon Beacons National Park. The village is primarily residential, with a few local amenities including a pub and a shop, catering to the needs of its inhabitants and visitors alike.

Historically, Trecastle has connections to the Roman period, as evidenced by the remains of a Roman fort nearby. The village serves as a convenient base for exploring the surrounding countryside, with various walking routes available for those wishing to enjoy the natural beauty of the area. Visitors can appreciate the simplicity of village life while taking in the views of the hills and valleys that characterise this part of Wales.

House Prices in Trecastle

The average property price is £298K, with detached homes making up the majority of the housing stock at around £370K.

Crime and Anti-Social Behaviour in Trecastle

Recorded crime levels are lower than the national average. Public order is prevalent across Trecastle, with 10 recorded incidents in May 2026.

Property Prices 2,347 sales

Average Price £298K
£150 , £5.54M
Detached £370K 801
Semi £236K 556
Terraced £191K 597
Flat £145K 89

Household Income in Trecastle ONS 2023

The average total household income in Trecastle is approximately £45,210 a year before tax, 18% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £35,691. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Trecastle £45,210
England & Wales avg. £55,302

Net (after tax) household income averages £35,691.

Businesses in Trecastle ONS 2025

There are approximately 1,275 active businesses based in Trecastle, around 66 for every 1,000 residents. The local economy is dominated by small firms: about 92% are micro-businesses employing fewer than 10 people, while 5 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

1,275 Total businesses
66 Per 1,000 residents
Micro, 0-9 92%
Small, 10-49 7%
Medium, 50-249 0%
Large, 250+ 1%

Crime in Trecastle 70 crimes · May 2026

Low Crime Area

Trecastle records relatively low levels of reported crime compared to national averages. Violence & sexual offences is the most commonly logged offence type, though overall numbers remain modest. The area is generally considered a safe and settled small town with a strong sense of community.

Violence & Sexual Offences 27
Public Order 10
Anti-Social Behaviour 9
Drugs 6
Shoplifting 6
Burglary 4
Criminal Damage & Arson 3
Bicycle Theft 1
Other Theft 1
Weapons 1
Vehicle Crime 1
Other Crime 1
Local Policing
Dyfed Powys Maescar and Llywel Visit force website →
Data from data.police.uk · Contains public sector information licensed under the Open Government Licence v3.0
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.

Nearest Train Stations 3 stations

Llandovery Train Station 8.2 miles
Cynghordy Train Station 8.6 miles
Sugar Loaf Train Station 9.7 miles

Location

Local Government

District Powys
Ward Talgarth
Constituency Brecon and Radnorshire
Parish Talgarth

Home Ownership in Trecastle

Of the 8,626 households in and around Trecastle, 67% are owned, 14% are socially rented and 19% are privately rented. Home ownership here is higher than the England and Wales average of 63%.

Owned 67% Social rented 14% Private rented 19%

Tenure from the 2021 Census (ONS), for the postcode districts covering Trecastle.

Frequently Asked Questions about Trecastle

What is the population of Trecastle?
Trecastle has a population of approximately 19,408 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Trecastle?
The average property in and around Trecastle sold for about £297,821, based on HM Land Registry Price Paid records. That is around 15% below the England and Wales average of £349,091.
What postcodes cover Trecastle?
Trecastle is covered by the LD3 postcode district.
How many schools are there in Trecastle?
There are 1 schools within easy reach of Trecastle, spanning primary, secondary and other phases.
Where is the nearest train station to Trecastle?
The nearest railway station to Trecastle is Llandovery Train Station, about 8.2 miles away.